Psi⁴ Aurigae

ψ⁴ Aurigae
Observation data; Epoch J2000 Equinox J2000
Constellation	Auriga
Right ascension	06h 43m 04.97107s
Declination	+44° 31′ 28.0220″
Apparent magnitude (V)	+5.02
Distance	324 ± 11 ly; (99 ± 3 pc)
Spectral type	K5 III
Other designations
	55 Aurigae, BD+44 1518, FK5 2517, HD 47914, HIP 32173, HR 2459, SAO 41288.

For other star systems with this Bayer designation, see Psi Aurigae.

Psi⁴ Aurigae (ψ⁴ Aur, ψ⁴ Aurigae) is the Bayer designation for a star in the northern constellation of Auriga. It is a faint star but visible to the naked eye with an apparent visual magnitude of +5.02.^[2] With an annual parallax shift of 10.08 ± 0.33 mas,^[1] it is approximately 324 light-years (99 parsecs) distant from Earth. This is a K-type giant star with a stellar classification of K5 III.^[3]

References

^ ^a ^b ^c ^d van Leeuwen, Floor (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752v1, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357. Note: see VizieR catalogue I/311.
^ ^a ^b Johnson, H. L.; et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory, 4 (99), Bibcode:1966CoLPL...4...99J
^ ^a ^b Roman, Nancy G. (July 1952), "The Spectra of the Bright Stars of Types F5-K5", Astrophysical Journal, 116: 122, Bibcode:1952ApJ...116..122R, doi:10.1086/145598.
^ "50 Aur -- Star in double system", SIMBAD Astronomical Database, Centre de Données astronomiques de Strasbourg, retrieved 2012-08-24.

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Observation data Epoch J2000 Equinox J2000
Constellation	Auriga
Right ascension	06^h 43^m 04.97107^s^[1]
Declination	+44° 31′ 28.0220″^[1]
Apparent magnitude (V)	+5.02^[2]
Distance	324 ± 11 ly (99 ± 3^[1] pc)
Spectral type	K5 III^[3]
Other designations
55 Aurigae, BD+44 1518, FK5 2517, HD 47914, HIP 32173, HR 2459, SAO 41288.^[4]